The Vimeo Node.js Library by Vimeo allows developers to integrate the Vimeo API's functions into their Node.js applications. Documentation is provided, including code examples. This is an official library.
Recent reports indicate that Twitter will make significant announcements next week regarding its live streaming API. The company is expected to open the API to a select group of media companies. The move would allow such companies to directly stream live video to the Twitter platform.
No need to send your users off to get embed code, the snippet of text needed to include videos and other rich media in a web page. All you need is the original URL to the content and Embed.ly returns the HTML you need, along with plenty of other useful meta-data. And it supports an impressive list of over 100 sites.